Home / 7,528,328.64-10,389,188.10-4,090,627.08

Finding the Fourth Proportional to 7,528,328.64, 10,389,188.10 and 4,090,627.08

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Solution

The fourth proportional to 7,528,328.64, 10,389,188.10 and 4,090,627.08 is: 5,645,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528,328.64 : 10,389,188.10 = 4,090,627.08 : x
  2. Step 2: Convert to fraction form
    7,528,328.64/10,389,188.10 = 4,090,627.08/x
  3. Step 3: Cross multiply
    7,528,328.64x = 10,389,188.10 × 4,090,627.08
  4. Step 4: Simplify right side
    7,528,328.64x = 42,498,294,181,073.75
  5. Step 5: Solve for x
    x = 42,498,294,181,073.75/7,528,328.64
  6. Step 6: Final answer
    x = 5,645,116.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.